Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.8,
    "vintage_probability": 0.565,
    "authenticity_confidence": 0.59,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.78,
    "confidence": 0.64,
    "recommended_max_bid": 32.5,
    "estimated_resale_low": 45,
    "estimated_resale_high": 105,
    "possible_models": [
        "Carryall Tote (style number not visible)",
        "Large Shopper Tote (4068)",
        "Weston Tote (9021)"
    ],
    "positive_evidence": [
        "photo 3: leather hangtag is visibly embossed COACH and attached by a small brass bead chain.",
        "photos 1, 3 and 4: substantial leather tote construction, neatly matched black stitching, and gold-tone hardware are compatible with Coach construction.",
        "photo 5: interior has multiple zip compartments and leather-trimmed pockets, consistent with a structured Coach tote.",
        "photo 3: black leather hangtag clearly embossed COACH in serif cartouche on brass bead chain - period-correct 1980s-90s tag and chain",
        "photo 1,2,4: large black glove-tanned tote silhouette with vertical panel seams and double shoulder straps matches vintage Coach shopper\/tote construction",
        "photo 5: unlined suede-back interior with interior zip pocket, correct for vintage glove-tanned classics",
        "photo 3,5: solid brass-tone hardware with warm aged tone throughout, consistent tone across chain, rings and zippers"
    ],
    "negative_evidence": [
        "photos 1, 2 and 4: large plain tote silhouette does not provide a distinctive vintage Coach model identifier.",
        "photo 5: the interior creed patch or serial\/style tag is not shown or readable.",
        "photo 3: the hangtag is the only clearly visible Coach identifier; a hangtag alone does not establish that the bag itself is Coach-made.",
        "listing text: seller states '1990' and 'G2U', but neither claim is verified by the photos.",
        "photo 5: no creed patch legible in the one interior view despite unlined interior where patch should be visible",
        "photos 2,4,5: images are low-resolution\/blurry with limited detail, no bottom view, no hardware macro"
    ],
    "missing_information": [
        "Straight-on close-up of the entire interior, especially the back wall and all pockets, to locate a creed patch or fabric tag.",
        "Close-up of any serial\/style number and country-of-origin line.",
        "Clear photos of the zipper pulls, hardware backs, bottom, corners, and strap attachment points.",
        "Seller-stated dimensions and a photo showing the bag against a ruler for model matching.",
        "creed patch straight-on in raking light with legible text and No. line - most valuable",
        "interior back wall and slip pocket showing where creed is sewn",
        "bottom view showing all four corners and base construction",
        "strap anchors, buckle holes and fold points for cracking",
        "zipper pull brand stamp and hardware close-ups front\/back",
        "seller-stated dimensions and clear exterior back view"
    ],
    "authenticity_concerns": [
        "The visible hangtag could be genuine while being attached to a different or lookalike bag; the bag's own creed and serial are not visible.",
        "The seller's claimed 1990 date is unsupported and appears uncertain because the bag has a fully fabric-lined, multi-compartment tote construction rather than an identifiable 1990s classic model.",
        "No direct contradiction is visible, but authenticity cannot be established from the hangtag alone.",
        "photo 5: interior shown but no legible creed patch to verify wording, serial format or country - hangtag alone cannot authenticate",
        "photos 1-5: no close-up of zipper-pull stamps or hardware engraving to check for era-inconsistent COACH marking"
    ],
    "possible_model_reasoning": [
        "The silhouette is closest to a large Coach carryall or compartment tote, but no style number is visible and the exact model cannot be confirmed.",
        "The seller-stated 'G2U' cannot be treated as an observed serial or decoded without a photo of the relevant tag or creed.",
        "The fully lined multi-compartment construction and visible hangtag suggest a later 2000s or newer Coach tote more than a 1990 classic glove-tanned style; therefore the seller's 1990 date is not supported.",
        "Condition appears Good to Very Good: visible creasing and scattered surface scuffs in photos 1\u20134, with no obvious tears or broken hardware; interior condition is only partially shown in photo 5.",
        "photo 1,4: XL black zip-top shopper with double straps, vertical seaming, unlined interior and brass zips fits 1990s Coach Large Shopper \/ Carry-All Tote family, e.g. Lunch Tote (4068) type and related large tote variants; exact style number cannot be confirmed without creed",
        "serial decode: none - creed not legible, seller title claims 1990 USA but not verified in photos; era estimated from glove-tanned unlined + solid brass + hangtag style",
        "Condition: Good to Very Good; photos show surface scuffs, sheen variation and softening (photo 1), straps intact but worn (photo 2,4), interior not fully assessable, no bottom view so capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": true,
        "turnlock_present": false,
        "hangtag_present": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Photos 1, 3 and 4 show gold-tone rectangular strap rings and small attachment hardware, plus a brass bead chain on the hangtag. No zipper-pull branding is readable.",
        "leather_description": "Photos 1\u20134 show smooth black leather with a glossy finish, visible creasing and light surface scuffs\/wear. Exact leather type is not determinable.",
        "lining_description": "Photo 5 shows a dark fabric-lined interior with several zippered compartments and leather-trimmed openings; lining material and labels are not readable.",
        "strap_construction": "Photos 1\u20134 show two long shoulder straps, stitched and apparently fixed through small gold-tone rings; no adjustable shoulder strap is visible.",
        "stitching_description": "Photos 1\u20134 show generally straight, close, matched dark stitching along vertical panels, top edge, straps and base seams."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0149,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.78,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.56,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.74,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [
                    "Carryall Tote (style number not visible)"
                ],
                "positive_evidence": [
                    "photo 3: leather hangtag is visibly embossed COACH and attached by a small brass bead chain.",
                    "photos 1, 3 and 4: substantial leather tote construction, neatly matched black stitching, and gold-tone hardware are compatible with Coach construction.",
                    "photo 5: interior has multiple zip compartments and leather-trimmed pockets, consistent with a structured Coach tote."
                ],
                "negative_evidence": [
                    "photos 1, 2 and 4: large plain tote silhouette does not provide a distinctive vintage Coach model identifier.",
                    "photo 5: the interior creed patch or serial\/style tag is not shown or readable.",
                    "photo 3: the hangtag is the only clearly visible Coach identifier; a hangtag alone does not establish that the bag itself is Coach-made.",
                    "listing text: seller states '1990' and 'G2U', but neither claim is verified by the photos."
                ],
                "missing_information": [
                    "Straight-on close-up of the entire interior, especially the back wall and all pockets, to locate a creed patch or fabric tag.",
                    "Close-up of any serial\/style number and country-of-origin line.",
                    "Clear photos of the zipper pulls, hardware backs, bottom, corners, and strap attachment points.",
                    "Seller-stated dimensions and a photo showing the bag against a ruler for model matching."
                ],
                "authenticity_concerns": [
                    "The visible hangtag could be genuine while being attached to a different or lookalike bag; the bag's own creed and serial are not visible.",
                    "The seller's claimed 1990 date is unsupported and appears uncertain because the bag has a fully fabric-lined, multi-compartment tote construction rather than an identifiable 1990s classic model.",
                    "No direct contradiction is visible, but authenticity cannot be established from the hangtag alone."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": true,
                    "hardware_description": "Photos 1, 3 and 4 show gold-tone rectangular strap rings and small attachment hardware, plus a brass bead chain on the hangtag. No zipper-pull branding is readable.",
                    "leather_description": "Photos 1\u20134 show smooth black leather with a glossy finish, visible creasing and light surface scuffs\/wear. Exact leather type is not determinable.",
                    "lining_description": "Photo 5 shows a dark fabric-lined interior with several zippered compartments and leather-trimmed openings; lining material and labels are not readable.",
                    "strap_construction": "Photos 1\u20134 show two long shoulder straps, stitched and apparently fixed through small gold-tone rings; no adjustable shoulder strap is visible.",
                    "stitching_description": "Photos 1\u20134 show generally straight, close, matched dark stitching along vertical panels, top edge, straps and base seams."
                },
                "possible_model_reasoning": [
                    "The silhouette is closest to a large Coach carryall or compartment tote, but no style number is visible and the exact model cannot be confirmed.",
                    "The seller-stated 'G2U' cannot be treated as an observed serial or decoded without a photo of the relevant tag or creed.",
                    "The fully lined multi-compartment construction and visible hangtag suggest a later 2000s or newer Coach tote more than a 1990 classic glove-tanned style; therefore the seller's 1990 date is not supported.",
                    "Condition appears Good to Very Good: visible creasing and scattered surface scuffs in photos 1\u20134, with no obvious tears or broken hardware; interior condition is only partially shown in photo 5."
                ],
                "confidence": 0.68,
                "recommended_max_bid": 30,
                "estimated_resale_low": 35,
                "estimated_resale_high": 90
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 5: interior shown but no legible creed patch to verify wording, serial format or country - hangtag alone cannot authenticate",
                    "photos 1-5: no close-up of zipper-pull stamps or hardware engraving to check for era-inconsistent COACH marking"
                ],
                "authenticity_confidence": 0.62,
                "coach_probability": 0.82,
                "confidence": 0.6,
                "estimated_era": "1985-1993 (US creed)",
                "estimated_resale_high": 120,
                "estimated_resale_low": 55,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "creed patch straight-on in raking light with legible text and No. line - most valuable",
                    "interior back wall and slip pocket showing where creed is sewn",
                    "bottom view showing all four corners and base construction",
                    "strap anchors, buckle holes and fold points for cracking",
                    "zipper pull brand stamp and hardware close-ups front\/back",
                    "seller-stated dimensions and clear exterior back view"
                ],
                "negative_evidence": [
                    "photo 5: no creed patch legible in the one interior view despite unlined interior where patch should be visible",
                    "photos 2,4,5: images are low-resolution\/blurry with limited detail, no bottom view, no hardware macro"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "brass-tone hardware; photo 3: small brass bead chain holding leather hangtag, strap anchors with brass-tone D-rings\/loops; photo 5: brass-tone zipper teeth with brass pull; tone consistent, solid brass look, no chunky turnlock",
                    "leather_description": "photo 1-4: black smooth glove-tanned cowhide with soft sheen and natural grain\/patina, scuffs and surface wear visible, consistent with vintage US-era glove-tanned leather",
                    "lining_description": "photo 5: appears unlined black suede-back leather interior with zip compartment, consistent with vintage classic unlined construction; not fully emptied, detail limited",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1,3: straight even stitching, thread matched to black leather, vertical panel seams visible; no mismatched thread seen at this resolution",
                    "strap_construction": "photo 1,2,4: double fixed shoulder straps in matching black leather, attached at top edge with brass-tone rings\/loops; straps show softening and surface wear but no visible cracking at this resolution",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3: black leather hangtag clearly embossed COACH in serif cartouche on brass bead chain - period-correct 1980s-90s tag and chain",
                    "photo 1,2,4: large black glove-tanned tote silhouette with vertical panel seams and double shoulder straps matches vintage Coach shopper\/tote construction",
                    "photo 5: unlined suede-back interior with interior zip pocket, correct for vintage glove-tanned classics",
                    "photo 3,5: solid brass-tone hardware with warm aged tone throughout, consistent tone across chain, rings and zippers"
                ],
                "possible_model_reasoning": [
                    "photo 1,4: XL black zip-top shopper with double straps, vertical seaming, unlined interior and brass zips fits 1990s Coach Large Shopper \/ Carry-All Tote family, e.g. Lunch Tote (4068) type and related large tote variants; exact style number cannot be confirmed without creed",
                    "serial decode: none - creed not legible, seller title claims 1990 USA but not verified in photos; era estimated from glove-tanned unlined + solid brass + hangtag style",
                    "Condition: Good to Very Good; photos show surface scuffs, sheen variation and softening (photo 1), straps intact but worn (photo 2,4), interior not fully assessable, no bottom view so capped"
                ],
                "possible_models": [
                    "Large Shopper Tote (4068)",
                    "Weston Tote (9021)"
                ],
                "recommended_max_bid": 35,
                "seller_misidentification_probability": 0.82,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21797,
            "output_tokens": 980,
            "total_tokens": 22777,
            "estimated_cost_usd": 0.011071
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22623,
            "output_tokens": 1790,
            "total_tokens": 24413,
            "estimated_cost_usd": 0.005957
        }
    ]
}